Patent US3040486A successfully refreshed from Google Patents.
US3040486A
Expired / Lapsed
US
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Pressure operated work clamp for ring grinding machines
Assignee: Landis Tool Co
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Filing: 1958-09-12
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Granted: 1962-06-26
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Expires: 1978-09-12
Abstract
No abstract record available.
Inventors
- 👤 Harold E Balsiger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:49
CPC Classifications
B; B24; B24B; B24B41/00; B24B41/06; B24B41/061
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2582279A
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US2478607A
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US2694883A
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US2752801A
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US2723499A
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US2754641A
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US2826017A
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US2842900A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-06-25 | 1965-12-25 | 1966-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-25 | 1969-12-25 | 1970-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-25 | 1973-12-25 | 1974-06-26 | $7700.00 | Window Closed / Lapsed |